using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace JJMediSys
{
    public partial class DispenseMsg : Form
    {
        Dispensing fordispensing;

        [DllImport("Gdi32.dll", EntryPoint = "CreateRoundRectRgn")]
        private static extern IntPtr CreateRoundRectRgn
       (
           int nLeftRect, // x-coordinate of upper-left corner
           int nTopRect, // y-coordinate of upper-left corner
           int nRightRect, // x-coordinate of lower-right corner
           int nBottomRect, // y-coordinate of lower-right corner
           int nWidthEllipse, // height of ellipse
           int nHeightEllipse // width of ellipse
        );

        [DllImport("dwmapi.dll")]
        public static extern int DwmExtendFrameIntoClientArea(IntPtr hWnd, ref MARGINS pMarInset);

        [DllImport("dwmapi.dll")]
        public static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int attrValue, int attrSize);

        [DllImport("dwmapi.dll")]
        public static extern int DwmIsCompositionEnabled(ref int pfEnabled);

        private bool m_aeroEnabled;                     // variables for box shadow
        private const int CS_DROPSHADOW = 0x00020000;
        private const int WM_NCPAINT = 0x0085;
        private const int WM_ACTIVATEAPP = 0x001C;

        public struct MARGINS                           // struct for box shadow
        {
            public int leftWidth;
            public int rightWidth;
            public int topHeight;
            public int bottomHeight;
        }

        private const int WM_NCHITTEST = 0x84;          // variables for dragging the form
        private const int HTCLIENT = 0x1;
        private const int HTCAPTION = 0x2;

        protected override CreateParams CreateParams
        {
            get
            {
                m_aeroEnabled = CheckAeroEnabled();

                CreateParams cp = base.CreateParams;
                if (!m_aeroEnabled)
                    cp.ClassStyle |= CS_DROPSHADOW;

                return cp;
            }
        }

        private bool CheckAeroEnabled()
        {
            if (Environment.OSVersion.Version.Major >= 6)
            {
                int enabled = 0;
                DwmIsCompositionEnabled(ref enabled);
                return (enabled == 1) ? true : false;
            }
            return false;
        }

        protected override void WndProc(ref Message m)
        {
            switch (m.Msg)
            {
                case WM_NCPAINT:                        // box shadow
                    if (m_aeroEnabled)
                    {
                        var v = 2;
                        DwmSetWindowAttribute(this.Handle, 2, ref v, 4);
                        MARGINS margins = new MARGINS()
                        {
                            bottomHeight = 1,
                            leftWidth = 1,
                            rightWidth = 1,
                            topHeight = 1
                        };
                        DwmExtendFrameIntoClientArea(this.Handle, ref margins);

                    }
                    break;
                default:
                    break;
            }
            base.WndProc(ref m);

            if (m.Msg == WM_NCHITTEST && (int)m.Result == HTCLIENT)     // drag the form
                m.Result = (IntPtr)HTCAPTION;

        }
        public DispenseMsg(Dispensing dispensing)
        {
            m_aeroEnabled = false;
            InitializeComponent();
            fordispensing = dispensing;
        }

        private void DispenseMsg_Load(object sender, EventArgs e)
        {
            LabErrorInfo.Text = fordispensing.ErrorInfoStr;
            int x = fordispensing.Location.X +  (fordispensing.Width - this.Width) / 2;
            int y = fordispensing.Location.Y + (fordispensing.Height - this.Height) / 2;
            this.Location = new Point(x, y);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("重发当前患者试管，请作废当前患者已出的试管,请确认已取走贴标单元已打印的标签并复位设备!", "注意", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
            {
                fordispensing.DispenseRetry = true;
            }
            this.Close();
        }

        private void BReset_Click(object sender, EventArgs e)
        {
            fordispensing.fm1.SysReset();

        }

        private void BNext_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("请确认已取走贴标单元已打印的标签并复位设备!", "注意", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
            {
                fordispensing.DispenseNext = true;
            }
            this.Close();
        }

        private void BCancel_Click(object sender, EventArgs e)
        {
            SystemSet.CancelDispensing = true;  //手动点击终止后 ，TubeLabelTool.cs中的循环将退出 并返回手动取消状态
            if (!fordispensing.isStop)//处于可手动终止状态
                fordispensing.DispenseCancel = true;    //
            //fordispensing.Closewin();
            this.Close();
        }
    }
}